Home / 11,397.96-15,727.41-6,361.92

Finding the Fourth Proportional to 11,397.96, 15,727.41 and 6,361.92

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Solution

The fourth proportional to 11,397.96, 15,727.41 and 6,361.92 is: 8,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.96 : 15,727.41 = 6,361.92 : x
  2. Step 2: Convert to fraction form
    11,397.96/15,727.41 = 6,361.92/x
  3. Step 3: Cross multiply
    11,397.96x = 15,727.41 × 6,361.92
  4. Step 4: Simplify right side
    11,397.96x = 100,056,524.23
  5. Step 5: Solve for x
    x = 100,056,524.23/11,397.96
  6. Step 6: Final answer
    x = 8,778.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.